Small Molecules Targeting the Hedgehog Pathway: From Phenotype to Mechanistic Understanding

Area of Science:

• Chemical Biology
• Cell Biology
• Genetics

Background:

• The Hedgehog (Hh) signaling pathway is vital for embryonic development.
• Dysregulation of Hh signaling is linked to developmental disorders and cancers.
• The primary cilium is essential for conducting Hh signals and maintaining cellular function.

Purpose of the Study:

• To develop novel chemical tools for studying the Hh signaling pathway.
• To discover new small molecules that can modulate ciliary signaling.
• To investigate methods for target deconvolution and mechanism of action studies for Hh pathway modulators.

Main Methods:

• Interdisciplinary approach combining organic chemistry, cell biology, and genetics.
• Development and application of small molecules targeting the Hh pathway.
• Utilizing methodologies for target deconvolution and mechanism of action studies.

Main Results:

• Highlighting existing small molecules that target the Hh pathway.
• Presenting efforts in the discovery of new Hh pathway-targeting compounds.
• Detailing methodologies for studying ciliary signaling and Hh pathway perturbation.

Conclusions:

• Chemical biology approaches are effective for studying the Hh signaling pathway.
• Novel chemical tools can be developed to probe ciliary signaling.
• Understanding Hh pathway modulation is key for addressing developmental disorders and cancer.